Paper Title:
Process Parameter and Cutting-Tool Geometry Study for Precision Face Turning of a Clock Dial
  Abstract

After the processing of a clock dial, the precision dimension and uniform distribution of the tool-trace pattern on the dial surface have a connection with luster image and attractiveness, which in turn would have an impact on the additional values and prices for a clock. Through a systematic investigation among the lathe structure, process parameter and cutting-tool geometry in advance, the total results indicated that the rigidity of the lathe structure and the precision of the slider movements are excellent and they had only a little effect on the surface-related quality for a dial face turning. Hence, the combination of process parameter and cutting-tool angle becomes more essential. End face turning simulation and experiment of a copper alloy were thus conducted in this paper, and the chip formation process and machined surface-related quality are investigated, respectively. The effects of cutting tool geometry and process parameter on the results of chip formation, surface rough, tool-trace pattern and luster uniformity are investigated, and these results are also compared with each other. The results show that when larger clearance and rake angles used in conjunction with a lower feed rate, no matter how much cutting speed was enhanced, the surface-related quality of a dial surface is not good. However, when these two larger angles used combined with a larger feed rate, the quality of a dial surface would slightly be improved. By using smaller clearance and rake angles along with the higher feed rate and cutting speed would obtain a better surface-related quality with uniform luster and attractiveness.

  Info
Periodical
Materials Science Forum (Volumes 697-698)
Chapter
I. Advanced Manufacturing Technology and Equipment
Edited by
Tian Huang, Dawei Zhang, Bin Lin, Anping Xu, Yanling Tian and Weiguo Gao
Pages
125-128
DOI
10.4028/www.scientific.net/MSF.697-698.125
Citation
S. Y. Lin, Y.H. Lin, M.S. Hsu, "Process Parameter and Cutting-Tool Geometry Study for Precision Face Turning of a Clock Dial", Materials Science Forum, Vols. 697-698, pp. 125-128, 2012
Online since
September 2011
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$32.00
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